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1.1 General This Standard specifies requirements for the maintenance of electrical equipment and systems. This Standard applies to new and existing electrical equipment. For new installations of electrical equipment, this Standard can be applied during the early design stages to allow for the implementation of proactive electrical maintenance practices and maintenance safety. 1.2 Purpose…

1 Domaine d’application 1.1 Généralités Cette norme (spécification) s’applique aux fenêtres, aux portes, aux produits toutes saisons, aux puits de lumière tubulaires, aux fenêtres de toit et aux lanterneaux ouvrants et fixes, de nouvelles constructions et de remplacement, installés à même l’enveloppe extérieure d’un bâtiment. Cette norme (spécification) établit pour les fenêtres, les portes…

This document specifies an atomic absorption spectrometric method for the determination of the iron content of rubbers. The method is applicable to raw rubber, rubber products and latex having iron contents of 5 mg/kg to 1 000 mg/kg. Higher concentrations can be determined, provided that suitable adjustments are made to the mass of the test portion and/or the concentrations of the solution used.

Le présent document décrit la préparation céramographique de pastilles de dioxyde d'uranium (UO2) frittées, permettant de réaliser des examens qualitatifs et quantitatifs de leur microstructure. Ces examens peuvent être réalisés avant et après une attaque chimique ou thermique. Ils permettent — l'observation des fissures, des pores intergranulaires ou intragranulaires et des…

This document gives names for crude drugs used in Kampo formulae with concepts (or definitions) that are designated by the names to ensure safety and to facilitate international trade, including source materials and intermediate products/materials. Those names are aligned with the names for both the intermediate products and the medicinal products that are manufactured in accordance with the…

This document describes the ceramographic preparation of uranium dioxide (UO2) sintered pellets for qualitative and quantitative microstructure examinations. These examinations can be carried out before and after thermal or chemical etching. They enable — observations of fissures, inter- or intra-granular pores and inclusions, and — measurement of pore and grain size and…

IEC 62138:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 62138:2018 specifies requirements for the software of computer-based instrumentation and control (I&C) systems…

IEC 60204-11:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60204-11:2018 applies to electrical and electronic equipment and systems to machines, including a group of…

Le présent document, conjointement avec l'ISO 21360‑1, spécifie des méthodes pour le mesurage des caractéristiques fonctionnelles des pompes à vide turbomoléculaires. Elle est applicable à toutes les dimensions et tous les types de pompes turbomoléculaires, y compris: — avec paliers mécaniques ou magnétiques; — avec ou sans étage(s) supplémentaire(s) à entraînement…

This document, in conjunction with ISO 21360-1, specifies methods for the measurement of performance characteristics of turbomolecular vacuum pumps. It is applicable to all sizes and all types of turbomolecular vacuum pumps, including those — with mechanical or magnetic bearings; — with or without an additional drag stage(s) or other pumping stages on the shaft; — with…